Drop-off - definition of drop-off by The Free Dictionary
drop-off (drŏp′ôf′, -ŏf′) n. 1. A steep or abrupt downward slope. 2. A noticeable decrease: a drop-off in attendance. 3. A designated place where people or things can be left: "distributed 12,000 newspapers to eighty different drop-offs" (Edward Klein). d...